org.apache.hadoop.hive.ql.exec.vector.expressions

Class FuncStringToLong

java.lang.Object

org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression

org.apache.hadoop.hive.ql.exec.vector.expressions.FuncStringToLong

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

CastStringToBoolean

public abstract class FuncStringToLong
extends VectorExpression

Superclass to support vectorized functions that take a long and return a string, optionally with additional configuration arguments. Used for cast(string), length(string), etc

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression

childExpressions, inputDataTypePhysicalVariations, inputTypeInfos, outputColumnNum, outputDataTypePhysicalVariation, outputTypeInfo

Constructor Summary

Constructors

Constructor and Description
FuncStringToLong()
FuncStringToLong(int inputCol, int outputCol)

Method Summary

Modifier and Type	Method and Description
void	evaluate(org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch batch) This is the primary method to implement expression logic.
protected abstract void	func(org.apache.hadoop.hive.ql.exec.vector.LongColumnVector outputColVector, org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector inputColVector, int i)
VectorExpressionDescriptor.Descriptor	getDescriptor()
int	getInputCol()
int	getOutputCol()
void	setInputCol(int inputCol)
void	setOutputCol(int outputCol)
String	vectorExpressionParameters()

Methods inherited from class org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression

displayArrayOfUtf8ByteArrays, displayUtf8Bytes, doTransientInit, doTransientInit, evaluateChildren, getChildExpressions, getColumnParamString, getDoubleValueParamString, getInputDataTypePhysicalVariations, getInputTypeInfos, getLongValueParamString, getOutputColumnNum, getOutputColumnVectorType, getOutputDataTypePhysicalVariation, getOutputTypeInfo, getParamTypeString, getTypeName, init, setChildExpressions, setInputDataTypePhysicalVariations, setInputTypeInfos, setOutputDataTypePhysicalVariation, setOutputTypeInfo, supportsCheckedExecution, toString, transientInit

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

FuncStringToLong

public FuncStringToLong(int inputCol,
                        int outputCol)

FuncStringToLong

public FuncStringToLong()

Method Detail

evaluate

public void evaluate(org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch batch)
              throws HiveException

Description copied from class: VectorExpression

This is the primary method to implement expression logic.

Specified by:

evaluate in class VectorExpression

Throws:

HiveException

func

protected abstract void func(org.apache.hadoop.hive.ql.exec.vector.LongColumnVector outputColVector,
                             org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector inputColVector,
                             int i)

getOutputCol

public int getOutputCol()

setOutputCol

public void setOutputCol(int outputCol)

getInputCol

public int getInputCol()

setInputCol

public void setInputCol(int inputCol)

vectorExpressionParameters

public String vectorExpressionParameters()

Specified by:

vectorExpressionParameters in class VectorExpression

getDescriptor

public VectorExpressionDescriptor.Descriptor getDescriptor()

Specified by:

getDescriptor in class VectorExpression